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Re: kassert in vfs_bio.c (Christoph Egger) writes:

>> No. I'm already running with it. And the problem here is that the BC_BUSY
>> flag is set when it should not, not the opposite.

>Can you reproduce the panic *without* this patch ?

The BC_BUSY flag is irrelevant in the xen backend.

I suspect misbehaviour in vnd that is probably not critical
by itself, but it appears to violate the locking scheme and
thus triggers the new assertions.

                                Michael van Elst
                                "A potential Snark may lurk in every tree."

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